<!doctype html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Template • TodoMVC</title>
		<link rel="stylesheet" href="node_modules/todomvc-common/base.css">
		<link rel="stylesheet" href="node_modules/todomvc-app-css/index.css">
		<!-- CSS overrides - remove if you don't need it -->
		<link rel="stylesheet" href="css/app.css">
	</head>
	<body>
		<section class="todoapp" id="todoapp">
			<header class="header">
				<h1>todoapp</h1>
				<input @keyup.enter="addItem" class="new-todo" placeholder="What needs to be done?" v-focus>
			</header>
			<!-- This section should be hidden by default and shown when there are todos -->
			<section class="main">
				<input id="toggle-all" class="toggle-all" type="checkbox" v-model="isSelectAll" >
				<label for="toggle-all">Mark all as complete</label>
				<ul class="todo-list">
					<!-- These are here just to show the structure of the list items -->
					<!-- List items should get the class `editing` when editing and `completed` when marked as completed -->
					<li v-for="(item,index) in filterItems" :class="{completed:item.completed}">
						<div class="view" v-if ="currentItem !== item">
							<input class="toggle" type="checkbox" v-model="item.completed">
							<label @dblclick = "toEdit(item)">{{item.content}}</label>
							<button class="destroy" :value = "item.id" @click="removeItem(index)"></button>
						</div>
						<input v-else class="edition editing" v-focus
							   @keyup.esc ="cancelEdit(item,index)"
							   @keyup.enter="saveData(item,index)"
							   @blur="saveData(item,index,$event)"
							   
							   :value = "item.content" >
					</li>
				</ul>
			</section>
			<!-- This footer should hidden by default and shown when there are todos -->
			<footer class="footer" v-show="items.length">
				<!-- This should be `0 items left` by default -->
				<!--使用计算属性计算遗留未完成个数-->
				<span class="todo-count"><strong>{{imcompeleted}}</strong> item{{imcompeleted ===1 ?'':'s'}} left</span>
				<!-- Remove this if you don't implement routing -->
				<ul class="filters">
					<li>
						<a :class="{selected:filterState === 'all'}" href="#/">All</a>
					</li>
					<li>
						<a :class="{selected:filterState === 'active'}"href="#/active">Active</a>
					</li>
					<li>
						<a :class="{selected:filterState === 'completed'}"href="#/completed">Completed</a>
					</li>
				</ul>
				<!-- Hidden if no completed items are left ↓ -->
				<button @click ="removeallCompleted" class="clear-completed" v-show ="items.length>imcompeleted">Clear completed</button>
			</footer>
		</section>
		<footer class="info">
			<p>Double-click to edit a todo</p>
			<!-- Remove the below line ↓ -->
			<p>Template by <a href="http://sindresorhus.com">Sindre Sorhus</a></p>
			<!-- Change this out with your name and url ↓ -->
			<p>Created by <a href="http://todomvc.com">you</a></p>
			<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
		</footer>
		<!-- Scripts here. Don't remove ↓ -->
		<script src="node_modules/vue/dist/vue.min.js"></script>
		<script src="node_modules/todomvc-common/base.js"></script>
		<script src="js/app.js"></script>
		<script src="js/hash.js"></script>
	</body>
</html>
